Twitter says its Chief Operating Officer, Ali Rowghani, has resigned from his post but will stay with the company as a strategic adviser to CEO Dick Costolo.
Rowghani joined Twitter in 2010 as chief financial officer and became COO two years later. Before that, he served as CFO at Pixar Animation Studios.
Rowghani recently sold 300,000 shares of his Twitter stake for a profit of about $9.9 millionThe sale came when the insiders lockup period expired last month, according to a filing with the Securities and Exchange Commission.
Twitter says it will not name a replacement for Rowghani and did not give a reason for his departure. His responsibilities will be shifted to other executives.